Other reduction deformities of brain
Billable / specificHCC V28 182POA exempt
Q04.3 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Applicable to
- Absence of part of brain
- Agenesis of part of brain
- Agyria
- Aplasia of part of brain
- Hydranencephaly
- Hypoplasia of part of brain
- Lissencephaly
- Microgyria
- Pachygyria
Includes (from Q04)
- Note: Codes from this chapter are not for use on maternal records
Excludes1
Not coded here — never report together with this code.
Excludes2
Not included here — may be reported together when both conditions exist.
Also known as
- Absence of part of brain
- Agenesis of part of brain
- Agyria
- Aplasia of part of brain
- Hydranencephaly
- Hypoplasia of part of brain
- Lissencephaly
- Microgyria
- Pachygyria
- Absence, brain, part of
- Absence, cerebellum
- Agenesis, brain, part of
- Agenesis, cerebellum
- Agenesis, vermis of cerebellum
- Aplasia, brain, part of
- Aplasia, cerebellum
- Deformity, brain, reduction
- Deformity, reduction, congenital, brain
- Hydrancephaly, hydranencephaly
- Hypoplasia, hypoplastic, brain, gyri
- Hypoplasia, hypoplastic, brain, part of
- Hypoplasia, hypoplastic, cerebellum
- Lissencephalia, lissencephaly
Parent code
- Q04Other congenital malformations of brainHeader
Related codes
- Q04.0Congenital malformations of corpus callosumBillable
- Q04.1ArhinencephalyBillable
- Q04.2HoloprosencephalyBillable
- Q04.4Septo-optic dysplasia of brainBillable
- Q04.5MegalencephalyBillable
- Q04.6Congenital cerebral cystsBillable
- Q04.8Other specified congenital malformations of brainBillable
- Q04.9Congenital malformation of brain, unspecifiedBillable